Go to https://slack.com and click the “Create a custom theme” button.

Enter a name for your theme in the “Theme name” field.

Select a color for the sidebar background in the “Sidebar background” field.

Select a color for the sidebar text in the “Sidebar text” field.

Select a color for the active item in the “Active item” field.

slack.com

Creating a Slack theme can be a great way to customize the look and feel of your workspace. It can help to create a more cohesive and professional look, as well as make it easier to find important information. Additionally, creating a Slack theme can help to make your workspace more inviting and engaging for your team members.

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